388029040

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 160

約数和(自身を含む): 1071360000

約数和(自身を除く): 683330960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 179, 196, 245, 280, 316, 343, 358, 392, 395, 490, 553, 560, 632, 686, 716, 784, 790, 895, 980, 1106, 1253, 1264, 1372, 1432, 1580, 1715, 1790, 1960, 2212, 2506, 2744, 2765, 2864, 3160, 3430, 3580, 3871, 3920, 4424, 5012, 5488, 5530, 6265, 6320, 6860, 7160, 7742, 8771, 8848, 10024, 11060, 12530, 13720, 14141, 14320, 15484, 17542, 19355, 20048, 22120, 25060, 27097, 27440, 28282, 30968, 35084, 38710, 43855, 44240, 50120, 54194, 56564, 61397, 61936, 70168, 70705, 77420, 87710, 98987, 100240, 108388, 113128, 122794, 135485, 140336, 141410, 154840, 175420, 197974, 216776, 226256, 245588, 270970, 282820, 306985, 309680, 350840, 395948, 433552, 491176, 494935, 541940, 565640, 613970, 692909, 701680, 791896, 982352, 989870, 1083880, 1131280, 1227940, 1385818, 1583792, 1979740, 2167760, 2455880, 2771636, 3464545, 3959480, 4850363, 4911760, 5543272, 6929090, 7918960, 9700726, 11086544, 13858180, 19401452, 24251815, 27716360, 38802904, 48503630, 55432720, 77605808, 97007260, 194014520, 388029040]

約数ペア:

[(1, 388029040), (2, 194014520), (4, 97007260), (5, 77605808), (7, 55432720), (8, 48503630), (10, 38802904), (14, 27716360), (16, 24251815), (20, 19401452), (28, 13858180), (35, 11086544), (40, 9700726), (49, 7918960), (56, 6929090), (70, 5543272), (79, 4911760), (80, 4850363), (98, 3959480), (112, 3464545), (140, 2771636), (158, 2455880), (179, 2167760), (196, 1979740), (245, 1583792), (280, 1385818), (316, 1227940), (343, 1131280), (358, 1083880), (392, 989870), (395, 982352), (490, 791896), (553, 701680), (560, 692909), (632, 613970), (686, 565640), (716, 541940), (784, 494935), (790, 491176), (895, 433552), (980, 395948), (1106, 350840), (1253, 309680), (1264, 306985), (1372, 282820), (1432, 270970), (1580, 245588), (1715, 226256), (1790, 216776), (1960, 197974), (2212, 175420), (2506, 154840), (2744, 141410), (2765, 140336), (2864, 135485), (3160, 122794), (3430, 113128), (3580, 108388), (3871, 100240), (3920, 98987), (4424, 87710), (5012, 77420), (5488, 70705), (5530, 70168), (6265, 61936), (6320, 61397), (6860, 56564), (7160, 54194), (7742, 50120), (8771, 44240), (8848, 43855), (10024, 38710), (11060, 35084), (12530, 30968), (13720, 28282), (14141, 27440), (14320, 27097), (15484, 25060), (17542, 22120), (19355, 20048)]